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ESCO Commissioning and Retro-Commissioning Flashcards

6 cards from real ESCO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 ESCO Commissioning and Retro-Commissioning flashcards as text

  1. What is the primary goal of retro-commissioning (RCx) as an ESCO measure?

    Answer: To restore existing building systems to their original design intent and identify operational improvements without capital replacement

    RCx investigates and corrects control sequences, setpoints, and maintenance deficiencies so existing equipment performs as originally intended.

  2. Which document produced during the commissioning process formally records all discovered deficiencies and their resolution status?

    Answer: Issues Log (Deficiency Log)

    The Issues Log tracks each deficiency found during testing, assigns responsibility, and records when each issue is corrected and verified.

  3. In ASHRAE Guideline 0, what is the 'Owner's Project Requirements' (OPR) document?

    Answer: A written statement of the owner's functional requirements, performance expectations, and quality standards for the project

    The OPR defines what the owner expects the building to do, providing the benchmark against which commissioning verifies actual performance.

  4. Which building system is most commonly targeted first in an ESCO retro-commissioning scope because it offers the fastest payback?

    Answer: HVAC controls and scheduling

    Correcting HVAC control sequences, scheduling errors, and setpoint issues typically costs little but yields immediate energy reductions.

  5. What is 'functional performance testing' (FPT) in the commissioning process?

    Answer: Dynamic testing of equipment and systems to verify they operate correctly through all modes and sequences under varying conditions

    FPT exercises each system through its full range of operating modes to confirm controls, interlocks, and sequences work as designed.

  6. Which ASHRAE standard specifically establishes the process and requirements for building commissioning?

    Answer: ASHRAE Guideline 0 — The Commissioning Process

    ASHRAE Guideline 0 is the foundational document defining commissioning phases, deliverables, and responsibilities from pre-design through occupancy.